Young Clark Kent discovers his true identity; and, as an adult, presents himself to Metropolis as Superman.

Superman thwarts a plot by Lex Luthor to sell the LEXO-SKEL SUIT 5000 to Kaznian terrorists, via their agent John Corben.

Lex Luthor discovers Superman's vulnerability to Kryptonite, and attempts to exploit this weakness to rid himself once and for all of the Man of Steel.

Thanks to the orchestrations of Lex Luthor, terrorist John Corben becomes Metallo, a skin-covered cyborg with a Krytonite heart. Luthor then sets the supervillain on a quest to kill Superman.

Brainiac, once Krypton's all-knowing planetary computer, comes to Earth as part of his information-gathering trek across the galaxy. But, as Superman discovers, Brainiac's intent after gathering the world's knowledge is to destroy the Earth.

Intergalactic bounty hunter Lobo is employed to capture the Man of Steel, but thanks to a double-cross by the rare-species-collecting Preserver, both Superman and Lobo end up trapped in the Preserver's personal zoo.

Clark's childhood sweetheart Lana Lang comes to Metropolis, and puts her own life in danger by trying to spy on Lex Luthor for Superman.

Superman decides to release Mala, a Kryptonian criminal, from the Phantom Zone, but when Mala proves too power-hungry for this world, Superman tries to send her back. Mala escapes with the Phantom Zone Projector and releases Krypton's most notorious traitor, Jax-Ur.

Superman encounters Bizarro, an imperfect genetic double of The Man of Steel, who tries to take Superman's place as Metropolis' hero.

Lois is the "target" of explosive revenge from a one-time Lexcorp inventor, named Edward Lytener.

Edward Lytener escapes from Stryker's Island and becomes Luminus. He hopes to render Superman powerless by hijacking a number of satellites so that they permit only red light to filter through from the sun.

Lois stumbles into a parallel world where Superman and Lex Luthor work together as dictators of Metropolis.

Lex Luthor is forced to build a new body for Brainiac who has downloaded himself into LexCorp's computers.

Batman travels to Metropolis when the Joker steals a solid Kryptonite statue and makes a deal with Lex Luthor to kill Superman.

Lois Lane becomes romantically tied to Bruce Wayne and is kidnapped by the Joker in an attempt to lure superman to his death.

Lois ends her romance with Bruce Wayne when she discovers that he is Batman. Lex Luthor tries to end his alliance with the Joker, but the Joker turns the tables and kidnaps Lex and steals a powerful aircraft to attack Metropolis.

A suit of power armor is given to police officer who unfortunately is corrupted by the power it gives him.

Marine animals attack Metropolis because Lex Luthor has captured Aquaman.

Superman is stripped of his memory and is adopted by Darkseid in an effort to take over Earth.

Superman breaks free of Darkseid's control and goes to Apokolips to try to stop Darkseid once and for all.